Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Transmission Range Sensor (4-Speed A/T)
Transmission Range (TR) sensor is located on transaxle valve body with connector located on side of transaxle. See Fig 1. TR sensor may also be referred to as park/neutral switch. Individual component testing information is not available from manufacturer. If TR sensor or wiring circuit failure exists, a DTC may be stored in PCM. See DTC P1899: P/N SWITCH STUCK IN PARK OR IN GEAR (4SP AUTO TRANS) under DIAGNOSTIC TESTS in SELF-DIAGNOSTICS - CARAVAN, TOWN & COUNTRY, & VOYAGER article.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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